Good Sam Club Open Roads Forum: Welding on a 1999 spartan chassis
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 > Welding on a 1999 spartan chassis

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wvabeer

Evans, West Virginia

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Posted: 07/20/20 01:48pm Link  |  Quote  |  Print  |  Notify Moderator

Are there any precautions I should do before welding on my Dutch Star frame?


1999 Dutch Star DP3884
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MountainAir05

New Mexico

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Posted: 07/20/20 02:11pm Link  |  Quote  |  Print  |  Notify Moderator

battery disconnected, both positive and Neg. and cover so they do not touch anything. Any electrical device that is power near where you are welding. Use to have to disconnect Alt and Gen leads also many years ago. Also attach ground clamp for welder as close to welding spot. Sure someone will log in. Maybe Doug or Wolfe

wolfe10

Texas

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Posted: 07/20/20 03:38pm Link  |  Quote  |  Print  |  Notify Moderator

Your chassis manual should say, but you also need to disconnect any computers, like the Allison ECU. Spartan will have the complete list.

Short answer is that PC boards do not like welding near them.


Brett Wolfe
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JRscooby

Indepmo

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Posted: 07/20/20 03:41pm Link  |  Quote  |  Print  |  Notify Moderator

Clamp ground close, but out of way. Use grinder to be sure clean connection. First arc, tack ground to frame. This will make sure the ground stays good, and the little amps don't go wandering around hunting a better path home.

wvabeer

Evans, West Virginia

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Posted: 07/21/20 08:10am Link  |  Quote  |  Print  |  Notify Moderator

I am purchasing a used cruiselift motorcycle lift/carrier for my Road king. I need to build a heavy hitch for it. I already have a very heavy duty 10000 lb hitch there but need to add a 2" reciever to each side of it. So welding is needed.

wildmanbaker

Kennewick, Washington

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Posted: 07/21/20 09:05am Link  |  Quote  |  Print  |  Notify Moderator

Fire may be a bigger hazard than stray electrons. If you unplug things, make a list and a general location of the plugs for reconnecting. Take pictures, lots of pictures. Dielectric grease is you freind here. Remember, when you plug things back in, they may not come back like they should.
Good luck.


Wildmanbaker


RLS7201

Beautyful Downtown Gladstone, MO

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Posted: 07/21/20 10:50am Link  |  Quote  |  Print  |  Notify Moderator

I've stood in Tiffins' Red Bay weld shop and watched them weld on frames without them disconnecting any thing. Get your ground clamp close to the weld area and go for it.

Richard


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wildmanbaker

Kennewick, Washington

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Posted: 07/22/20 10:07am Link  |  Quote  |  Print  |  Notify Moderator

RLS7201 wrote:

I've stood in Tiffins' Red Bay weld shop and watched them weld on frames without them disconnecting any thing. Get your ground clamp close to the weld area and go for it.

Richard

Exactly, I doutb any manufacture disconnects anything before welding on the chassis. There is too much of a chance of forgetting to reconnect things as the build goes on.

JRscooby

Indepmo

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Posted: 07/22/20 10:22am Link  |  Quote  |  Print  |  Notify Moderator

RLS7201 wrote:

I've stood in Tiffins' Red Bay weld shop and watched them weld on frames without them disconnecting any thing. Get your ground clamp close to the weld area and go for it.

Richard


I have laid under a truck in Gladstone Mo and welded a broken walking beam back together, and never disconnected anything. (walking beam is the part that mounts between axles, the spring mounts to it. Holds up that corner of truck) Told owner to dump load, go home and replace beam.
OTOH, a quick tack to hold a bracket on my old utility trailer burned out every lamp.

wolfe10

Texas

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Posted: 07/22/20 10:27am Link  |  Quote  |  Print  |  Notify Moderator

Suspect we are seeing a mix of "Best Practices" as well as "What I got away with".

Choose which path you want to follow-- it is your coach/your decision.

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